YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C,T/T |
| Supply Ability | According to Clients' requirements |
| Delivery Time | +7days |
| Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Product Name | Studded Tube /Pin Tube |
| Base Tube Specification&Material | ASTM A213 T9 |
| Fin Material | Alloy/Stainless |
| Base Tube OD | 25-219 MM |
| Fin Height | 5~35 MM |
| Fin OD | 6MM-25.4MM |
| Tube Length | 34 meters max |
| Application | Boiler, Fired Heater, Heat exchanger, Radiator |
| Brand Name | YUHONG |
| Model Number | STUDDED FIN TUBE |
| Certification | ABS, BV, DNV CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | According to Clients' requirements |
| Delivery Time | +7days | Packaging Details | Ply-wooden Cases with Steel Frames(both ends of pipes have plastic caps) |
| Product Name | Studded Tube /Pin Tube | Base Tube Specification&Material | ASTM A213 T9 |
| Fin Material | Alloy/Stainless | Base Tube OD | 25-219 MM |
| Fin Height | 5~35 MM | Fin OD | 6MM-25.4MM |
| Tube Length | 34 meters max | Application | Boiler, Fired Heater, Heat exchanger, Radiator |
| Brand Name | YUHONG | Model Number | STUDDED FIN TUBE |
| Certification | ABS, BV, DNV CCS, LR | Place of Origin | China |
| High Light | ASTM A213 Studded Tube ，Alloy Steel Studded Tube ，T9 Alloy Steel Studded Tube | ||
ASTM A213 T9 Alloy Steel Studded Fin Tube With Alloy/Stainless Steel Studs for Boiler or Heater
This studded fin tube is constructed from ASTM A213 T9 alloy steel base tube, featuring welded alloy steel or stainless steel studs (pins) to enhance heat transfer efficiency in high-temperature and high-pressure environments. Designed for boilers, heaters, and heat exchangers, the studded surface significantly increases the heat-absorbing area, improving thermal performance while resisting ash deposition and corrosion.
1.Chemical & Mechanical Properties
| ASTM A106 GR.B Chemical Composition (%) | ||||||
| C | Mn | P | S | Si | Cr | Mo |
| ≤0.15 | 0.3~0.6 | ≤0.025 | ≤0.025 | 0.25~1.0 | 8.0~10.0 | 0.9~1.1 |
Mechanical Properties
| Component | Mechanical Performance | Key Features |
| ASTM A213 T9 Base Tube | · Tensile Strength: ≥ 415 MPa · Max Operating Temp: ~650℃ | · Contains chromium-molybdenum alloy (Cr 8-10%, Mo 0.9-1.1%) for excellent creep resistance and oxidation stability up to 650°C (1200°F). · High Pressure Resistance · Excellent Corrosion Resistance · Reliable Weldability & Formability
|
2. Key Features
Resists high-temperature corrosion, oxidation, and ash fouling, ideal for boilers, heaters, and flue gas applications
(2) Patented stud welding technology + T9 Cr-Mo base tube = 3x longer service life at 650°C vs conventional tubes
(3) Alloy steel or stainless steel (304/316) studs are welded to the tube surface to significantly increase heat transfer area and efficiency
(4) Provides high heat transfer in a relatively compact space, making it ideal for applications with space constraints
(5) Corrosion resistance, wear resistance, low contact thermal resistance, high stability
3. Key Applications
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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